Parametric amplification or parametric conversion system of adjustable broadband laser pulse of spectral response curve
A spectral response curve, laser pulse technology, applied in optics, nonlinear optics, instruments, etc., can solve the problems of limited input power density, limited bandwidth, complex structure, etc., and achieve the effect of high-efficiency broadband parametric amplification or parametric transformation
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[0031] The present invention will be further described below in conjunction with accompanying drawing and embodiment:
[0032] Such as figure 1 , the present embodiment provides a broadband laser pulse parameter amplification or conversion system with an adjustable spectral response curve, including a spatial frequency chirp conversion device 1 (which can be composed of inclined flat glass, prism pairs, grating pairs, volume grating pairs or gratings lens group, etc.), beam splitting, attenuation and optical delay device 2 (can be composed of partial reflector, attenuator and optical delay line, etc.), partial reflector 3, focusing cylindrical lens 4, fan-shaped periodically polarized crystal 5 ( Such as image 3 shown), filtering device 6 and collimating cylindrical lens 7. The spatial frequency chirped pulse output by broadband pulse spatial frequency chirped conversion device 1 and the pump pulse beam splitting, the pump pulse output by the attenuation and delay adjustmen...
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